Robtex

Up: 64.30.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.30.144.0/21
Down right: 64.30.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.30.144.0	PTR	bgpref1.sdnglobal.com
64.30.145.9	A	dns1.sdnglobal.com
64.30.145.160	PTR	64-30-145-160.sdnglobal.com
64.30.146.9	A	dns2.sdnglobal.com
64.30.146.227	PTR	64-30-146-227.sdnglobal.com
64.30.147.9	A	dns5.sdnglobal.com
64.30.147.145	PTR	mx1.satcomgroup.com
64.30.148.9	A	dns3.sdnglobal.com
64.30.148.128	PTR	64-30-148-128.sdnglobal.com
64.30.148.224	PTR	64-30-148-224.sdnglobal.com
64.30.148.224	A	107894-fw1.satcomgroup.com
64.30.148.224	A	satcomdistribution.com
64.30.150.1	PTR	64-30-150-1.sdnglobal.com
64.30.150.48	PTR	64-30-150-48.sdnglobal.com
64.30.150.67	PTR	64-30-150-67.sdnglobal.com
64.30.150.115	PTR	64-30-150-115.sdnglobal.com
64.30.150.129	PTR	64-30-150-129.sdnglobal.com
64.30.150.146	PTR	64-30-150-146.sdnglobal.com
64.30.150.179	PTR	64-30-150-179.sdnglobal.com
64.30.150.192	PTR	64-30-150-192.sdnglobal.com
64.30.150.194	PTR	64-30-150-194.sdnglobal.com
64.30.151.160	PTR	64-30-151-160.sdnglobal.com
64.30.151.162	PTR	64-30-151-162.sdnglobal.com
64.30.151.210	PTR	64-30-151-210.sdnglobal.com
64.30.153.70	A	64-30-153-70.sdnglobal.com
64.30.153.97	A	64-30-153-97.sdnglobal.com
64.30.153.148	A	64-30-153-148.sdnglobal.com
64.30.153.150	A	64-30-153-150.sdnglobal.com
64.30.153.205	A	64-30-153-205.sdnglobal.com
64.30.153.212	A	64-30-153-212.sdnglobal.com
64.30.154.50	PTR	kamsfleet.com
64.30.154.83	PTR	mail.cuca.co.ao
64.30.155.9	A	dns4.sdnglobal.com
64.30.155.15	A	blurb.jp
64.30.155.15	A	blurb.com
64.30.155.15	A	blurb.pl
64.30.155.20	A	www.blurb.fr
64.30.155.30	A	blurb-api.blurb.com
64.30.157.147	PTR	64-30-157-147.sdnglobal.com
64.30.157.149	A	scs.synergy-core.com
64.30.157.149	A	mail.sdnglobal.com
64.30.158.0	PTR	64-30-158-0.sdnglobal.com
64.30.158.13	A	64-30-158-13.sdnglobal.com
64.30.158.17	A	mta1.xenwingo.com
64.30.158.155	A	64-30-158-155.sdnglobal.com
64.30.158.203	A	64-30-158-203.sdnglobal.com
64.30.159.0	PTR	64-30-159-0.sdnglobal.com
64.30.159.255	A	64-30-159-255.sdnglobal.com